Emerald and Elbaite Physical Properties

Emerald

Elbaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Hard

2.67-2.78

Uneven, ConchoidalWalter Schumann

Imperfect on the [0001]

7.5-8

Be₃Al₂SiO₆

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Emerald and Elbaite Chemical Formula

While comparing Emerald and Elbaite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Emerald and Elbaite chemical formula.

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Emerald and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald Vs Elbaite during the identification of gemstone. Specific gravity of Emerald is whereas that of Elbaite is .